Big Ben's timekeeping is strictly regulated by a stack of coins placed on the huge pendulum.

大本钟的计时是由放置在巨型钟摆上的一堆硬币严格调节的。

youdao

She opened her cash box and fumbled around for a bit, and then handed me a small stack of COINS.

她打开钱箱及周围摸索了一会儿，然后递给我一个小叠硬币。

youdao

Hoping to find a collector who'd be willing to go on the record and talk about his collection, I called Stack's Rare Coins, located in New York City and one of the most prestigious dealers in the business.

FORBES: Magazine Article